/*
 * aplusb2.cc
 *
 *  Created on: May 4, 2013
 *      Author: skipper
 */
#include<iostream>
using namespace std;
int main(int argc,char* argv[])
{
    int T,a,b;
    cin>>T;
    while(T--)
    {
        cin>>a>>b;
    }
    return 0;
}



